210202441440137 has 2 divisors, whose sum is σ = 210202441440138. Its totient is φ = 210202441440136.

The previous prime is 210202441440127. The next prime is 210202441440139. The reversal of 210202441440137 is 731044144202012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209442373071376 + 760068368761 = 14472124^2 + 871819^2 .

It is a cyclic number.

It is not a de Polignac number, because 210202441440137 - 2³² = 210198146472841 is a prime.

Together with 210202441440139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 210202441440097 and 210202441440106.

It is not a weakly prime, because it can be changed into another prime (210202441440139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105101220720068 + 105101220720069.

It is an arithmetic number, because the mean of its divisors is an integer number (105101220720069).

Almost surely, 2^{210202441440137} is an apocalyptic number.

It is an amenable number.

210202441440137 is a deficient number, since it is larger than the sum of its proper divisors (1).

210202441440137 is an equidigital number, since it uses as much as digits as its factorization.

210202441440137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 210202441440137 its reverse (731044144202012), we get a palindrome (941246585642149).

The spelling of 210202441440137 in words is "two hundred ten trillion, two hundred two billion, four hundred forty-one million, four hundred forty thousand, one hundred thirty-seven".